_which_ goes with this letter, offers you more for
every dollar _that_ you spend than you can get
elsewhere.
=Exercise 80--Case=
Case is that modification of a noun or a pronoun which denotes its
relation to other words in the sentence. There are three cases: the
_nominative_, the _objective_, and the _possessive_. Although nouns are
used in all three cases, no change of form occurs except in the
possessive case.
The _nominative_ case is used in the following ways: